Question

PLZ HELP!!! 20 POINTS!!! 1. Solve the system of equations by graphing: x + y = 3

Answer 1

First you need to fix the equation in order to graph.
x + y = 3
Subtract x from both sides.
y = -1x + 3
Now graph.
(Whenever there is a variable by itself there is always a 1 in front of it.)
There is a site called desmos that can help↓